[Solved] The number of chiral centers in progesterone (shown below) is ______. Successfully Fought: Overcame opposition or challenges through effective strategy, effort, or action. Aggression: Aggression is any behavior that is intended to harm another individual who does not wish to be harmed. Reinforcement: Reinforcement is a principle in behavioral psychology that increases the likelihood of a behavior being repeated by applying a consequence or reward. Pornography: Materials (videos, images, writings) depicting sexual content intended to stimulate erotic rather than aesthetic or emotional feelings.